CN219083742U

CN219083742U - Efficient regenerative burner nozzle brick

Info

Publication number: CN219083742U
Application number: CN202223518645.3U
Authority: CN
Inventors: 张庆峰; 李晓鹏; 李景峰
Original assignee: Baotou Iron and Steel Group Co Ltd
Current assignee: Baotou Iron and Steel Group Co Ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-26
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a high-efficiency regenerative burner nozzle brick which comprises a nozzle brick body, wherein two nozzle holes are symmetrically formed in the surface of the nozzle brick body, a nozzle groove is formed in the inner wall of each nozzle hole, an inner frame is fixed in the air inlet end of each nozzle hole, one end of each inner frame is provided with a non-return plate, mounting side frames are symmetrically arranged on two sides of one end of each non-return plate, and a rotating shaft is connected between each mounting side frame and each non-return plate; according to the utility model, the side frame, the non-return plate and the inner frame are arranged, so that the inner frame is fixed at the air inlet of the nozzle slot, when the inner frame conveys air, the air applies impact effect to the non-return plate, so that the non-return plate is pushed to be opened quickly, the air is guaranteed to enter the nozzle hole to be conveyed along the nozzle slot, when the air stops conveying, the non-return plate rotates quickly to prevent the fed air from flowing back, the inner frame is blocked, the air is stopped, and the influence on the internal combustion efficiency caused by the outflow of the internal air is effectively avoided.

Description

Efficient regenerative burner nozzle brick

Technical Field

The utility model belongs to the technical field of heat storage devices, and particularly relates to an efficient heat storage burner nozzle brick.

Background

The regenerative burner nozzle brick belongs to a part of regenerative industrial kiln burner, the regenerative burner brick is prefabricated, the outer surface is smooth, and after the regenerative burner and a furnace wall are poured, the burner brick can be normally used after being installed.

After the existing spout brick is installed in place, coal gas and air are sprayed out from the spout brick, because a spout groove exists, air flows sprayed out by the coal gas and the air are mutually complemented cambered surfaces, so that the contact area of the coal gas and the air is greatly increased, and because angles lead the air flows sprayed out by the coal gas and the air to have included angles, two air flows are mutually crossed and collided, the mixing of the coal gas and the air is further increased, the two effects are mutually overlapped and promoted, the full mixing of the coal gas and the air is ensured, the heating speed is accelerated, the combustion efficiency is greatly improved, and the coal gas is saved, but the following defects exist:

(1) When the gas is stopped to be conveyed and sprayed out through the nozzle holes of the nozzle bricks, the gas in the nozzle bricks does not continuously convey the gas to generate an impact effect, so that the gas easily flows outwards from a combustion area along the nozzle holes to generate a countercurrent phenomenon, and further the combustion efficiency is influenced;

(2) When the nozzle brick is used for spraying gas, impurities doped in the gas easily enter the heat storage combustion chamber through the nozzle hole, so that the combustion effect is affected.

Disclosure of Invention

The utility model aims to provide an efficient regenerative burner nozzle brick, which solves the problems that the nozzle holes of the nozzle brick provided in the background art are easy to cause gas countercurrent, so that the combustion efficiency is influenced, and meanwhile, sundries in the gas enter a combustion area to influence the combustion effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an efficient heat accumulation nozzle spout brick, includes the spout brick body, two spout holes have been seted up to the surface symmetry of spout brick body, the spout groove has been seted up on the inner wall in spout hole, the inside inner frame that is fixed with of inlet end in spout hole, the one end of inner frame is provided with the non-return board, the one end bilateral symmetry of non-return board is provided with the installation side bearer, be connected with the pivot between installation side bearer and the non-return board, the installation side bearer is fixed on the surface of inner frame.

Preferably, the surface of the non-return plate is fixed with a push rod, the outer wall of the push rod is sleeved with a sleeve, the sleeve is fixed on the surface of the inner frame, and a spring is arranged in the sleeve.

Preferably, the longitudinal sections of the push rod and the sleeve are arc-shaped structures, and the central axes of the push rod, the sleeve and the rotating shaft are mutually overlapped.

Preferably, a sealing gasket is arranged between the inner frame and the non-return plate, and the sealing gasket is fixed on the surface of the inner frame.

Preferably, the inlet end of the nozzle hole is provided with a filter screen plate, two sides of the filter screen plate are connected with a mounting frame through clamping, and the mounting frame is fixed on the inner wall of the nozzle hole.

Preferably, the cross section of the mounting frame is of a U-shaped structure.

Preferably, the cross section of the spout brick body is of a rectangular structure, and the spout groove is of an angular arc square hole structure.

Compared with the prior art, the utility model has the beneficial effects that:

(1) Through the installation side bearer of design, non-return board and inner frame, fix the air inlet department at the spout groove with the inner frame, when it carried gas, the impact effect is applyed to non-return board to gas, and then promote non-return board quick opening, guarantee that gas enters into the spout downthehole and carries along the spout groove, when its gas stops carrying, for preventing that the gas that sends into from appearing the phenomenon of reversing, non-return board gyration fast, the shutoff is on the inner frame, to gas non-return, the effectual inside gas that avoids flows out influences inside combustion efficiency, through the sleeve of design, push rod and spring, under its no air admission impact effect, the spring is applyed the elasticity effect to the push rod, and then guarantee non-return board quick gyration seal, make its non-return response more quick sensitively pass through the sealing washer of design, further increase the leakproofness between non-return board and the inner frame.

(2) Through the filter screen board and the mounting bracket of design, fix the filter screen board in the spout hole of spout brick body through the mounting bracket, realize sending into coal gas and air and filter, avoid its doping to have debris to get into and influence burning.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

FIG. 4 is an assembled perspective view of the inner frame and the backstop plate of the present utility model;

FIG. 5 is an assembled top view of the screen plate and mounting bracket of the present utility model;

in the figure: 1. a spout brick body; 2. a spout hole; 3. a spout slot; 4. an inner frame; 5. a non-return plate; 6. a sleeve; 7. a spring; 8. a push rod; 9. a sealing gasket; 10. installing a side frame; 11. a screen plate; 12. and (5) mounting a frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a high-efficient heat accumulation nozzle spout brick, including spout brick body 1, two spout holes 2 have been seted up to spout brick body 1's surface symmetry, spout groove 3 has been seted up on spout hole 2's the inner wall, spout brick body 1's cross section is rectangular structure, spout groove 3's shape is the arc square hole structure of angulation, through spout brick body 1 of design, spout hole 2 and spout groove 3, spout brick body 1 installs the back in place, gas and air are spouted from spout brick's spout hole 2, because there is spout groove 3 existence, gas and air spun air flow are the cambered surface that complements each other, make both area of contact greatly increase, again because of angle makes both air spun air flow existence contained angle, two air flow cross-collision each other, further increase gas and air's mixture, two effects superpose each other and promote, guaranteed gas and air's intensive mixing, accelerate the rate of heating up, the combustion efficiency is greatly improved, coal gas is saved, an inner frame 4 is fixed in the air inlet end of a nozzle hole 2, a check plate 5 is arranged at one end of the inner frame 4, mounting side frames 10 are symmetrically arranged at two sides of one end of the check plate 5, the inner frame 4 is fixed at the air inlet of the nozzle groove 3 through the designed mounting side frames 10, the check plate 5 and the inner frame 4, when the gas is conveyed, the gas applies impact effect to the check plate 5, and further pushes the check plate 5 to be quickly opened, the gas is ensured to enter the nozzle hole 2 and be conveyed along the nozzle groove 3, when the gas stops conveying, the check plate 5 quickly rotates to block the inner frame 4 for preventing the backflow phenomenon of the fed gas, the internal combustion efficiency is effectively influenced by the outflow of the gas, a rotating shaft is connected between the mounting side frames 10 and the check plate 5, the mounting side frames 10 are fixed on the surface of the inner frame 4, the fixed surface of the non-return board 5 is fixed with push rod 8, the outer wall cover of push rod 8 is equipped with sleeve 6, sleeve 6 is fixed on the surface of inner frame 4, the inside of sleeve 6 is provided with spring 7, through sleeve 6, push rod 8 and spring 7 of design, under its no air admission impact effect, spring 7 exerts the elasticity effect to push rod 8, and then guarantees the quick gyration of non-return board 5 and seal, makes its non-return response more quick sensitive.

In this embodiment, preferably, the longitudinal sections of the push rod 8 and the sleeve 6 are arc structures, the central axes of the push rod 8, the sleeve 6 and the rotating shaft are mutually overlapped, a sealing gasket 9 is arranged between the inner frame 4 and the non-return plate 5, the sealing performance between the non-return plate 5 and the inner frame 4 is further improved through the designed sealing gasket 9, and the sealing gasket 9 is fixed on the surface of the inner frame 4.

In this embodiment, preferably, the inlet end department of spout hole 2 is provided with filter screen plate 11, and the both sides of filter screen plate 11 all are connected with mounting bracket 12 through the block, through filter screen plate 11 and mounting bracket 12 of design, fix filter screen plate 11 through mounting bracket 12 in spout hole 2 of spout brick body 1, realize sending into coal gas and air and filter, avoid it to doping to have debris to get into and influence burning, mounting bracket 12 is fixed on the inner wall of spout hole 2, and the cross section of mounting bracket 12 is U style of calligraphy structure.

The working principle and the using flow of the utility model are as follows: after the spout brick body 1 is installed in place, gas and air are sprayed out of the spout hole 2 of the spout brick, wherein in the spraying process, the gas is conveyed through an external pipeline, the impact effect is exerted on the non-return plate 5 by the gas, the non-return plate 5 is further pushed to be opened quickly, the gas is guaranteed to enter the spout hole 2 and conveyed along the spout groove 3, when the gas stops conveying, the non-return plate 5 rotates quickly to prevent the fed gas from generating a countercurrent phenomenon, the gas is blocked on the inner frame 4, the gas is effectively prevented from flowing out to affect the internal combustion efficiency, the contact area of the gas and the air is greatly increased due to the existence of the spout groove 3, the gas and the air sprayed out of the gas are in mutually complementary cambered surfaces, and the two gas flows are mutually crossed and collided due to the angle, so that the mixing of the gas and the air is further increased, the two effects are mutually overlapped and promoted, the full mixing of the gas and the air is guaranteed, the heating speed is accelerated, the combustion efficiency is greatly improved, the gas is saved, and the gas is filtered by fixing the screen plate 11 in the spout hole 2 of the spout brick body 1 through the mounting frame 12, and the effect of filtering the fed gas and the air is prevented from being doped, and the impurity entering the combustion is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an efficient regenerative burner nozzle brick, includes nozzle brick body (1), two spout holes (2) have been seted up to the surface symmetry of nozzle brick body (1), spout groove (3) have been seted up on the inner wall of spout hole (2), its characterized in that: the inner frame (4) is fixed inside the air inlet end of the nozzle hole (2), one end of the inner frame (4) is provided with a non-return plate (5), two sides of one end of the non-return plate (5) are symmetrically provided with mounting side frames (10), a rotating shaft is connected between the mounting side frames (10) and the non-return plate (5), and the mounting side frames (10) are fixed on the surface of the inner frame (4).

2. The efficient regenerative burner nozzle block of claim 1, wherein: the surface fixing of non return board (5) has push rod (8), the outer wall cover of push rod (8) is equipped with sleeve (6), sleeve (6) are fixed on the surface of inner frame (4), the inside of sleeve (6) is provided with spring (7).

3. The efficient regenerative burner nozzle block of claim 2, wherein: the longitudinal sections of the push rod (8) and the sleeve (6) are of arc structures, and the central axes of the push rod (8), the sleeve (6) and the rotating shaft are mutually overlapped.

4. The efficient regenerative burner nozzle block of claim 1, wherein: a sealing gasket (9) is arranged between the inner frame (4) and the non-return plate (5), and the sealing gasket (9) is fixed on the surface of the inner frame (4).

5. The efficient regenerative burner nozzle block of claim 1, wherein: the air inlet end of the nozzle hole (2) is provided with a filter screen plate (11), two sides of the filter screen plate (11) are connected with a mounting frame (12) through clamping, and the mounting frame (12) is fixed on the inner wall of the nozzle hole (2).

6. The efficient regenerative burner nozzle block of claim 5, wherein: the cross section of the mounting frame (12) is of a U-shaped structure.

7. The efficient regenerative burner nozzle block of claim 5, wherein: the cross section of the spout brick body (1) is of a rectangular structure, and the shape of the spout groove (3) is of an arc square hole structure with an angle.